package com.balloon.servlet;

import com.balloon.io.CountryDao;
import com.balloon.logic.City;
import com.balloon.logic.Country;
import java.io.IOException;
import java.io.PrintWriter;
import java.util.ArrayList;
import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

/**
 * This class is used for controlling front and back communication
 */
@WebServlet(name = "CountrySelect", urlPatterns = {"/Country.do"})
public class CountrySelect extends HttpServlet {

    /** 
     * Processes requests for both HTTP <code>GET</code> and <code>POST</code> methods.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    protected void processRequest(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        String countryName = request.getParameter("country");
        Country country = new Country(countryName);
        Country temp = CountryDao.getCountryInformation(country);
        StringBuffer sb = new StringBuffer();

        response.setContentType("text/xml");
        PrintWriter out = response.getWriter();


        sb.append("<?xml version='1.0' encoding='UTF-8' ?>");
        sb.append("<country><countrylongitude>" + temp.getLocationX() + "</countrylongitude><countrylatitude>"
                + temp.getLocationY() + "</countrylatitude>");
        
        ArrayList<City> tempCity=country.getCities();
        for(int i=0;i<tempCity.size();i++){
            sb.append("<city>");
            sb.append("<cityname>");
            sb.append(tempCity.get(i).getName());
            sb.append("</cityname>");
            sb.append("<citylongitude>");
            sb.append(tempCity.get(i).getLocationX()+"");
            sb.append("</citylongitude>");
            sb.append("<citylatitude>");
            sb.append(tempCity.get(i).getLocationY()+"");
            sb.append("</citylatitude>");
            sb.append("<citydescription>");
            sb.append(tempCity.get(i).getDescription());
            sb.append("</citydescription>");
            sb.append("</city>");
        }

        sb.append("</country>");
        out.print(sb.toString());
        System.out.println(sb.toString());

    }

    // <editor-fold defaultstate="collapsed" desc="HttpServlet methods. Click on the + sign on the left to edit the code.">
    /** 
     * Handles the HTTP <code>GET</code> method.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doGet(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /** 
     * Handles the HTTP <code>POST</code> method.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doPost(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /** 
     * Returns a short description of the servlet.
     * @return a String containing servlet description
     */
    @Override
    public String getServletInfo() {
        return "Short description";
    }// </editor-fold>
}
